Home / 74,321.89-102,548.09-44,117.28

Finding the Fourth Proportional to 74,321.89, 102,548.09 and 44,117.28

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Solution

The fourth proportional to 74,321.89, 102,548.09 and 44,117.28 is: 60,872.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,321.89 : 102,548.09 = 44,117.28 : x
  2. Step 2: Convert to fraction form
    74,321.89/102,548.09 = 44,117.28/x
  3. Step 3: Cross multiply
    74,321.89x = 102,548.09 × 44,117.28
  4. Step 4: Simplify right side
    74,321.89x = 4,524,142,910.29
  5. Step 5: Solve for x
    x = 4,524,142,910.29/74,321.89
  6. Step 6: Final answer
    x = 60,872.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.